Surname นรรัตน์ (นรรัตน์ 
, Norarat 
, Norrarat ) , globally, is a rare cognomen. The cognomen นรรัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare surname, and Malaysia, where it is a very rare surname. Likewise, นรรัตน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Norrarat, นรรัตน์ | Thailand |
| Norarat | Malaysia, Thailand, United States |